scd: Improve reading of binary records.
* scd/iso7816.c (iso7816_read_binary_ext): Handle the 0x6a86 SW the same as 6b00. * scd/apdu.c (apdu_get_atr): Modify debug messages. * scd/app-p15.c (app_select_p15): Print FCI on error. (read_p15_info): Clean up diag in presence of debug options.
Some cards return 6a86 instead of 6b00.
- Signed-off-by: Werner Koch <wk@gnupg.org>